Báo cáo khoa học: "A System for Detecting Subgroups in Online Discussions" pptx

... of discussants into subgroups of opposing views. The system uses an unsupervised approach based on rule-based opinion target detecting and unsupervised clustering techniques. The system is open source ... and is freely available for download. An online demo of the system is available at: http://clair.eecs.umich.edu/SubgroupDetector/ 1 Introduction Online forums discussing ideo...

Ngày tải lên: 16/03/2014, 20:20

... breaking down compound questions into in- dividual questions). This resulted in a realistic tu- toring setup, which presents interesting challenges to language processing components, involving ... created for use in a human-human tutoring study, without tak- ing into account possible limitations of computer tutoring. The exercises were then transferred into a computer system with on...

Ngày tải lên: 17/03/2014, 00:20

... &apos ;in& apos;), the preposition appropriate for expressing a relation between a point and a volume. The appropriateness of a preposition for expressing a certain relation is determined by ... in a country (e.g., &apos ;in England' and &apos ;in France') and being in a piece of clothing (e.g., &apos ;in a hat', &apos ;in a shirt', and &apos ;in a pair...

Ngày tải lên: 20/02/2014, 21:20

... representation formats are SMILES strings (Simplified Molecular Input Line Entry System (Weininger, 1988)) and In- ChIs 2 . For example, a SMILES string such as CC(OH)CCC unambiguously describes a chain of five ... Proceedings of the Sixth International Workshop on Constraint Modelling and Reformulation (ModRef’07), Provi- dence, Rhode Island, USA. David Weininger, Arthur Weininger, and J...

Ngày tải lên: 08/03/2014, 01:20

... contextualized. Therefore, for generating data for model training and testing, we used a crowd- sourcing approach to do sentiment annotation on in- domain political data. To create a baseline sentiment ... experience with this system and discuss next steps. 2 Related Work In the last decade, interest in mining sentiment and opinions in text has grown rapidly, due in part...

Ngày tải lên: 16/03/2014, 20:20

... tool for lin- guistic annotation of SCFs in corpus data aimed at alleviating the process of obtaining training and test data for subcategorization acquisition. The tool in- corporates an intuitive ... process- ing (NLP), both for enhancing the performance of state-of-art statistical systems and for improving the portability of these systems between domains. One type of lexical inf...

Ngày tải lên: 17/03/2014, 04:20

... also integration and enrichment of different lexicons. A lexicon can be enriched by resorting to automatically acquired information, for instance by means of an application extracting informa- tion ... providing general-purpose activities useful for any DWT and, for this reason, implemented di- rectly into the system. Internal agents perform general functionalities such as creat...

Ngày tải lên: 31/03/2014, 01:20

... K (2 in the experiment) characters before and after an error-block in the Error-String, am found in the Similar- String, take out the string (denoted C) between A and B in 1 For detecting errors ... the string including errors from the String- Database (the former string is referred to as the Similar-String, and the latter as the Error-String). Finally, the correction is ma...

Ngày tải lên: 20/02/2014, 18:20

... constructing a probabilistic dictionary (Table 3) for use in aligning words in machine translation (Brown et al., 1990), or for constructing a bilingual concordance (Table 4) for use in lexicography ... French According to our survey, 1988 sales of mineral water and soft drinks were much higher than in 1987, reflecting the growing popularity of these products. Cola drin...

Ngày tải lên: 20/02/2014, 21:20

... differenti- ation in interleukin (IL)-3-containing medium were analyzed for total intracellular b-hexosaminidase activity. Results are expressed as percentages, where the b-hexosaminidase content in SG + ... Laborat- ories, Burlingame, CA) was used as secondary antibody (1 : 100 dilution in NaCl ⁄ P i ). Staining was performed with a standard protocol using the biotin–avidin-based Vec...

Ngày tải lên: 07/03/2014, 11:20